| details |
Tournaisian |
Visean |
USSR(European) |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |
| details |
Tournaisian |
Visean |
USSR(European) |
Kao,L. A Lower Carboniferous spore assemblage from the Qianheishan Formation of Jingyuan County, Kansu and its age. |
1980 |
| details |
Middle Carboniferous |
Late Carboniferous |
USSR |
Pokrovskaya,I.M. Pollen analysis |
1958 |
| details |
Early Carboniferous |
|
Spitsbergen |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |
| details |
Late Visean |
|
Sinai |
Said,R. et al. Some microfossils from Upper Paleozoic rocks of Western Coastal Plain of Gulf of Suez Region, Egypt. |
1969 |
| details |
Tournaisian |
Visean |
Nd |
Butterworth,M.A. The distribution of Densospores. |
1966 |
| details |
Early Carboniferous |
|
China(Kansu) |
Kao,L. A Lower Carboniferous spore assemblage from the Qianheishan Formation of Jingyuan County, Kansu and its age. |
1980 |